Home / 3,067.80-4,233.74-1,809.60

Finding the Fourth Proportional to 3,067.80, 4,233.74 and 1,809.60

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Solution

The fourth proportional to 3,067.80, 4,233.74 and 1,809.60 is: 2,497.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,067.80 : 4,233.74 = 1,809.60 : x
  2. Step 2: Convert to fraction form
    3,067.80/4,233.74 = 1,809.60/x
  3. Step 3: Cross multiply
    3,067.80x = 4,233.74 × 1,809.60
  4. Step 4: Simplify right side
    3,067.80x = 7,661,345.69
  5. Step 5: Solve for x
    x = 7,661,345.69/3,067.80
  6. Step 6: Final answer
    x = 2,497.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.